Home / 72,575,957.06-100,154,776.58-39,980,909.06

Finding the Fourth Proportional to 72,575,957.06, 100,154,776.58 and 39,980,909.06

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Solution

The fourth proportional to 72,575,957.06, 100,154,776.58 and 39,980,909.06 is: 55,173,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575,957.06 : 100,154,776.58 = 39,980,909.06 : x
  2. Step 2: Convert to fraction form
    72,575,957.06/100,154,776.58 = 39,980,909.06/x
  3. Step 3: Cross multiply
    72,575,957.06x = 100,154,776.58 × 39,980,909.06
  4. Step 4: Simplify right side
    72,575,957.06x = 4,004,279,014,369,598
  5. Step 5: Solve for x
    x = 4,004,279,014,369,598/72,575,957.06
  6. Step 6: Final answer
    x = 55,173,630.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.